Aurélien Hazan, Julien Randon-Furling
We study the behaviour of a Schelling-class system where spatially-fixed switching agents are introduced. Agent types are to be interpreted as social groups, and switching as social mobility. Dynamical simulations allow us to provide cross-sections of the 3-dimensional phase diagram $F(\rho, \tau, f)$, where $\rho$ is the occupation density, $f$ the fraction of agents able to switch from one group to the other, and $\tau$ is generally interpreted as the tolerance of agents toward neighbours of the opposite type. We investigate different transitions between segregated and mixed phases both at $f=0$ and along lines of increasing $f$, where the nature of the transition changes. We also find that the presence of switching agents in a segregative Schelling-type dynamics can induce de-segregation even with values of $f$ lower than 1/2.
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http://arxiv.org/abs/1212.4929
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